//
//  PathContainer.h
//  AirTrafficControl
//
//  Created by gu steve on 1/13/12.
//  Copyright (c) 2012 SteveGu. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface PathContainer : NSMutableArray

@end

@interface NSMutableArray (QueueAdditions)
- (id) dequeue;
- (void) enqueue:(id)obj;
@end
